As an AI language model, I do not have personal opinions nor do I disclaim my outputs. However, here are 5 interesting facts about June 18 in Rhode Island history:

1. In 1755, the first recorded women's cricket match in North America was played in Newport, Rhode Island. The game was between a team of unmarried women and a team of married women.

2. On June 18, 1778, the British army invaded Bristol, Rhode Island, burning and pillaging homes and businesses before moving on to attack Warren.

3. The first steam-powered ferry in the United States began operating between Providence and Newport on June 18, 1818. The ferry, called the "Rhode Island," could carry up to 200 passengers.

4. The Rhode Island State House, which is the capitol of Rhode Island, was dedicated on June 18, 1904. The building, which is a prominent landmark in Providence, was designed by the renowned architect, McKim, Mead & White.

5. On June 18, 1983, Sally Ride, a graduate of Stanford University and a physicist, became the first American woman to go into space. She launched aboard the Challenger and orbited the Earth 36 times. Ride was inducted into the Astronaut Hall of Fame in 2003.